CA407586A - Unbreakable lens fabrication - Google Patents

Unbreakable lens fabrication

Info

Publication number
CA407586A
CA407586A CA407586A CA407586DA CA407586A CA 407586 A CA407586 A CA 407586A CA 407586 A CA407586 A CA 407586A CA 407586D A CA407586D A CA 407586DA CA 407586 A CA407586 A CA 407586A
Authority
CA
Canada
Prior art keywords
unbreakable
lens fabrication
fabrication
lens
unbreakable lens
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
CA407586A
Other languages
French (fr)
Inventor
Vernon Smith Charles
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Univis Lens Co
Original Assignee
Univis Lens Co
Publication date
Application granted granted Critical
Publication of CA407586A publication Critical patent/CA407586A/en
Expired legal-status Critical Current

Links

CA407586A Unbreakable lens fabrication Expired CA407586A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA407586T

Publications (1)

Publication Number Publication Date
CA407586A true CA407586A (en) 1942-09-22

Family

ID=35418886

Family Applications (1)

Application Number Title Priority Date Filing Date
CA407586A Expired CA407586A (en) Unbreakable lens fabrication

Country Status (1)

Country Link
CA (1) CA407586A (en)

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